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Removed new Start of Frame event from the library; performance suffered far too much and it was only useful in one of the standard classes (HID). Altered HID demos to use the previous method of tracking millisecond periods via a hardware timer rather than the SOF events.

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Fixed MIDI class driver blocking on unread events to the host.
This commit is contained in:
Dean Camera 2009-06-02 10:54:32 +00:00
parent 74b7c07e96
commit 7c5444b89a
24 changed files with 78 additions and 109 deletions
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28
LUFA/Drivers/USB/Class/Device/MIDI.c
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@ -55,36 +55,18 @@ bool USB_MIDI_ConfigureEndpoints(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo)
return true;
}
void USB_MIDI_SendNoteChange(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo, const uint8_t Pitch, const bool OnOff,
const uint8_t CableID, const uint8_t Channel)
{
if (!(USB_IsConnected))
return;
Endpoint_SelectEndpoint(MIDIInterfaceInfo->DataINEndpointNumber);
while (!(Endpoint_IsReadWriteAllowed()));
uint8_t Command = ((OnOff)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
Endpoint_Write_Byte((CableID << 4) | (Command >> 4));
Endpoint_Write_Byte(Command | Channel);
Endpoint_Write_Byte(Pitch);
Endpoint_Write_Byte(MIDI_STANDARD_VELOCITY);
Endpoint_ClearIN();
}
void USB_MIDI_SendEventPacket(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo, USB_MIDI_EventPacket_t* Event)
{
if (!(USB_IsConnected))
return;
Endpoint_SelectEndpoint(MIDIInterfaceInfo->DataINEndpointNumber);
while (!(Endpoint_IsReadWriteAllowed()));
Endpoint_Write_Stream_LE(Event, sizeof(USB_MIDI_EventPacket_t), NO_STREAM_CALLBACK);
Endpoint_ClearIN();
if (Endpoint_IsReadWriteAllowed());
{
Endpoint_Write_Stream_LE(Event, sizeof(USB_MIDI_EventPacket_t), NO_STREAM_CALLBACK);
Endpoint_ClearIN();
}
}
bool USB_MIDI_ReceiveEventPacket(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo, USB_MIDI_EventPacket_t* Event)